Now in full color and updated to reflect the 2010 ECC guidelines, Huszarâs Basic Dysrhythmias and Acute Coronary Syndromes, 4th Edition is structured to match the order in which you learn specific skills: ECG components are presented first, followed by information on how to interpret ECGs to arrive at a diagnosis. More complex material follows basic skills, with advanced sections at the end. Packaged with a free companion CD with 200 practice rhythms and a free heart rate ruler, this edition has been updated throughout and comes loaded with extras designed to enhance your learning.